This single arm study will evaluate the efficacy, safety and tolerability of a new investigational protease inhibitor (PI) plus background antiretrovirals plus Fuzeon (90mg sc bid) in HIV-1 infected, triple-class treatment-experienced, Fuzeon-naive adults. The new investigational PI will be administered according to the procedures of the early access program in which the patient is enrolled. The anticipated time on study treatment is 3-12 months, and the target sample size is 100-500 individuals.

An Open-label Study to Evaluate the Effect on Viral Load of a New Investigational Protease Inhibitor With Fuzeon Plus a Background Antiretroviral Regimen in Triple-class Treatment-experienced Patients With HIV-1 Infection

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Please refer to this study by its ClinicalTrials.gov identifier: NCT00326963